TEAM, S. Three Solutions for a Class of (p1, ..., pn)-Biharmonic Systems via Variational Methods: Shapour Heidarkhani. Thai Journal of Mathematics, [S. l.], v. 10, n. 3, p. 497–515, 2012. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/336. Acesso em: 6 may. 2024.